unforeseeably

Adverb

In an unforeseeable manner; without the possibility of being predicted.

Japanese Meaning

予測不可能な形で / 予見不可能に / 予測できない方法で

The weather changed unforeseeably, ruining our plans for a picnic.

天気は予測できないほど急変し、私たちのピクニックの計画を台無しにした。

Sense（1）

In an unforeseeable manner; without the possibility of being predicted.

more unforeseeably

（ comparative ）

most unforeseeably

（ superlative ）